Write down the characteristics of the element having atomic number 17.

Write down the characteristics of the elements having atomic number 17. Element family…………..

Write down the characteristics of the elements having atomic number 17. Group number………..

Write down the characteristics of the elements having atomic number 17. Valency……………

Write down the characteristics of the elements having atomic number 17. No.of valence electrons…………

Write down the characteristics of the elements having atomic number 17. Metal or non-metal……………….

Write down the characteristics of the elements having atomic number 17 . Electronic configuration ____________ period number _____________ Group number _______________ Element family __________ No . Of valence electrons ___________ valency ____________ metal or non - metal _______________

Write on the IUPAC nomenclature of the elements with atomic number greater than 103.

The element with atomic number 7 is found in

" Atomic number is more fundamental characteristic of an element than atomic weight " . How this statement of Moseley led to prepare the periodic table ?

The element with atomic number 31 belongs to :